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Finding the Fourth Proportional to 574,148.30, 792,411.73 and 344,832.21

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Solution

The fourth proportional to 574,148.30, 792,411.73 and 344,832.21 is: 475,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,148.30 : 792,411.73 = 344,832.21 : x
  2. Step 2: Convert to fraction form
    574,148.30/792,411.73 = 344,832.21/x
  3. Step 3: Cross multiply
    574,148.30x = 792,411.73 × 344,832.21
  4. Step 4: Simplify right side
    574,148.30x = 273,249,087,223.74
  5. Step 5: Solve for x
    x = 273,249,087,223.74/574,148.30
  6. Step 6: Final answer
    x = 475,920.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.